| java.lang.Object | |
| ↳ | org.jfree.chart.renderer.RendererUtilities |
Class Overview
Utility methods related to the rendering process.
Summary
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| Public Methods | |||||||||||
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Finds a range of item indices that is guaranteed to contain all the
x-values from x0 to x1 (inclusive).
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Finds the lower index of the range of live items in the specified data
series.
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Finds the upper index of the range of live items in the specified data
series.
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Inherited Methods | |||||||||||
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From class
java.lang.Object
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Public Constructors
public RendererUtilities ()
Public Methods
public static int[] findLiveItems (XYDataset dataset, int series, double xLow, double xHigh)
Finds a range of item indices that is guaranteed to contain all the x-values from x0 to x1 (inclusive).
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| series | the series index. |
| xLow | the lower bound of the x-value range. |
| xHigh | the upper bound of the x-value range. |
Returns
- The indices of the boundary items.
public static int findLiveItemsLowerBound (XYDataset dataset, int series, double xLow, double xHigh)
Finds the lower index of the range of live items in the specified data series.
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| series | the series index. |
| xLow | the lowest x-value in the live range. |
| xHigh | the highest x-value in the live range. |
Returns
- The index of the required item.
public static int findLiveItemsUpperBound (XYDataset dataset, int series, double xLow, double xHigh)
Finds the upper index of the range of live items in the specified data series.
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| series | the series index. |
| xLow | the lowest x-value in the live range. |
| xHigh | the highest x-value in the live range. |
Returns
- The index of the required item.